package com.atguigu.champter7;

import com.atguigu.beans.WaterSensor;
import com.atguigu.utils.AtguiguUtil;
import org.apache.flink.api.common.eventtime.WatermarkStrategy;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.streaming.api.datastream.SingleOutputStreamOperator;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.streaming.api.functions.ProcessFunction;
import org.apache.flink.streaming.api.functions.windowing.ProcessWindowFunction;
import org.apache.flink.streaming.api.windowing.assigners.TumblingEventTimeWindows;
import org.apache.flink.streaming.api.windowing.time.Time;
import org.apache.flink.streaming.api.windowing.windows.TimeWindow;
import org.apache.flink.util.Collector;
import org.apache.flink.util.OutputTag;

import java.time.Duration;
import java.util.List;

public class Flink12_Watermark_Sideout2 {
    public static void main(String[] args) {
        Configuration conf = new Configuration();
        conf.setInteger("rest.port",9999);
        StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment(conf);
        env.setParallelism(1);

        //  水位值超过20和不超过20分别放入不同的流中
        SingleOutputStreamOperator<WaterSensor> mainStream = env
                .socketTextStream("hadoop104", 9999)
                .map(line -> {
                    String[] watersensors = line.split(",");
                    return new WaterSensor(watersensors[0], Long.valueOf(watersensors[1]), Integer.valueOf(watersensors[2]));
                })
                .process(new ProcessFunction<WaterSensor, WaterSensor>() {
                    @Override
                    public void processElement(WaterSensor value,
                                               Context ctx,
                                               Collector<WaterSensor> out) throws Exception {
                        if (value.getVc() < 20){
                            out.collect(value);
                        }else {
                            ctx.output(new OutputTag<WaterSensor>("over20"){},value);
                        }

                    }
                });
        mainStream
                .print("main");
        mainStream.getSideOutput(new OutputTag<WaterSensor>("over20"){}).print("over20");




        try {
            env.execute();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
